ON THE TOXIC CONSTITUENTS IN THE BARK OF ROBINIA PSEUDACACIA L. 349 
= =) Se 
Date 3 E E ? Material a Ne Deeds i 
25/1717 | 55 | 175 | Robitin No. XIIL intravenously | 0.0200 | + 
* 56 190 | Robitin No. XII (heated at 100°C.) 3 = EWrr 
29/1 57 200 | Precipitate by Pb-acetate. + 5s + 
99 58 220 5 by HCl. 3 = 
6/11 5D 190 | Robitin No. XII (heated at 100°C.) + 1444 
» 60 200 | Robitin No. XIH. - 0.0300 | „ 
” 57 aa = - „ 0.0270 | E 
10/1 62 = : > „ 0.0210 | ++ 
os 63 - 99 5 39 0.0300 | , 
19/11 64 200 9 = „ 0.0300 | E/’’ 
65 en ; „ x „ 
5/IlL €6 _ Hydrolysed solution. ” 0.0340 | — 
SAT OT 4 5 Bien a 
a 68 — A 9 0.0500 | + 
5/TiI 69 — Robitin (heated at high temp.) | 99 0.0330 | E//” 
re 70 _ + op „ 0.0500 | „ 
er Tie | é R 4 0.0330 | „ 
» 72 == ” 99 ” 0.0300 | ,, 
” 73 == ” ” „ 0.0500 | „ 
24 /TIT 74 — Rrecipitate by Pb.-acetate. 9 0.0600 | E 
9/IV 76. = F Robitin. F 0.0400 | E//” 
eR REE errr 
Remarks :—Negative, + very weak, + weak, + middle, ++ strong reaction. 
E Exitus in 30 minutes, E’ in 3 hours, E” in 12 hours, E’” the following 
day, E’”” after two days. 
II. Raspir. 
On intrayenous injection of robitin, the rabbit suffers from dyspneea, 
paralysis of hind part of body, depression and frequent evacuation and micturi- 
tion. Lethal dosis about 0.5 grams per 1 kilo. body weight. 
In the post mortem examination, emphysema and hemorrhagia pulmonum 
and liquefaction of the intestinal content are seen, sometimes accompanied with 
bronchial hemorrhage and abdominal exudation. 
